/* Copyright (C) 2004 - 2008  Versant Inc.  http://www.db4o.com

This file is part of the sharpen open source java to c# translator.

sharpen is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL 
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.

sharpen is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
for more details.

You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA  02111-1307, USA. */

/* Copyright (C) 2006 Versant Inc. http://www.db4o.com */

package sharpen.core;

import org.eclipse.jdt.core.dom.ITypeBinding;
import org.eclipse.jdt.core.dom.TypeDeclaration;
import sharpen.core.csharp.ast.*;

import java.util.List;

/**
 * @exclude
 */
public class NonStaticNestedClassBuilder extends AbstractNestedClassBuilder {

    private TypeDeclaration _nestedType;
    private CSTypeDeclaration _convertedType;
    private CSField _enclosingField;

    public NonStaticNestedClassBuilder(CSharpBuilder other, TypeDeclaration nestedType) {
        super(other);
        _nestedType = nestedType;

        _convertedType = processTypeDeclaration(_nestedType);
        _enclosingField = createEnclosingField();
        patchConstructors();
        _convertedType.addMember(_enclosingField);
    }

    private void patchConstructors() {
        final List<CSConstructor> ctors = _convertedType.constructors();
        if (ctors.isEmpty()) {
            introduceConstructor();
        } else {
            for (CSConstructor ctor : ctors) {
                patchConstructor(ctor);
            }
        }
    }

    private void patchConstructor(CSConstructor ctor) {
        ctor.addParameter(0, new CSVariableDeclaration(_enclosingField.name(), _enclosingField.type()));
        ctor.body().addStatement(0, createFieldAssignment(_enclosingField.name(), _enclosingField.name()));

        ITypeBinding superClass = nestedTypeBinding().getSuperclass();
        if (superClass != null && isNonStaticNestedType(superClass)) {
            CSConstructorInvocationExpression cie = new CSConstructorInvocationExpression(new CSBaseExpression());
            cie.addArgument(new CSReferenceExpression(_enclosingField.name()));
            ctor.chainedConstructorInvocation(cie);
        }
    }

    private void introduceConstructor() {
        final CSConstructor ctor = new CSConstructor();
        ctor.visibility(CSVisibility.Internal);
        patchConstructor(ctor);
        _convertedType.addMember(ctor);
    }

    @Override
    protected ITypeBinding nestedTypeBinding() {
        return _nestedType.resolveBinding();
    }

}
